/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundLiteralNode.h
TLiteralOperatorLiteralFactory creates an input by passing it a literal.
template<typename [DataType](API\Plugins\OptimusCore\DataType)> class TLiteralOperatorLiteralFactory : public [Metasound::IOperatorFactory](API\Plugins\MetasoundGraphCore\IOperatorFactory)